61328132526 has 32 divisors (see below), whose sum is σ = 122863674528. Its totient is φ = 20408176640.

The previous prime is 61328132513. The next prime is 61328132527. The reversal of 61328132526 is 62523182316.

It is a happy number.

61328132526 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61328132526² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61328132527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10460836 + ... + 10466696.

It is an arithmetic number, because the mean of its divisors is an integer number (3839489829).

Almost surely, 2^61328132526 is an apocalyptic number.

61328132526 is an abundant number, since it is smaller than the sum of its proper divisors (61535542002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61328132526 is a wasteful number, since it uses less digits than its factorization.

61328132526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8516.

The product of its digits is 103680, while the sum is 39.

The spelling of 61328132526 in words is "sixty-one billion, three hundred twenty-eight million, one hundred thirty-two thousand, five hundred twenty-six".